Nelson Serrano, M.D.
NPI 1770525784ActiveIndividual· General Practice· Corozal, PR
General Practice (M.D.) in Corozal, Puerto Rico, trained at University of Puerto Rico School of Medicine (class of 1979). Their prescriptions cost Medicare Part D more than their services did: $462,270 for 8,588 claims, against $1,540 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 4 companies reporting payments in 2025, $249.26 in all, mostly food and beverage.
Overview
| NPI | 1770525784 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 12, 2006 |
| Last updated in NPPES | Jan 18, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| General Practice Primary | 208D00000X | 8284 | PR |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - General Practice (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 12 |
|---|---|
| Services billed | 36 across 4 procedure codes |
| Paid by Medicare | $1,540 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,588 · 14,939 30-day fills |
|---|---|
| Patients | 395 |
| Total drug cost | $462,270 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Puerto Rico School of Medicine |
|---|---|
| Graduation year | 1979 |
| Medicare specialty | General Practice |
Industry payments (Open Payments)
- 2025$249.26 · 9 payments from 4 companies
- 2024$240.86 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $166.52 | 5 |
| Glaxosmithkline, LLC. | $34.17 | 2 |
| E.R. Squibb & Sons, L.L.C. | $25.00 | 1 |
| Merck Sharp & Dohme LLC | $23.57 | 1 |
What the 2025 payments were for
- Food and Beverage$249.26 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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